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Identification of phenotypes associated to adaptation in Ischnothele (Araneae, Ischnothelidae) on Brazilian dry diagonal

Grant number: 22/02373-8
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): April 01, 2022
Effective date (End): December 31, 2023
Field of knowledge:Biological Sciences - Morphology
Acordo de Cooperação: NSF - Dimensions of Biodiversity and BIOTA
Principal Investigator:Vera Nisaka Solferini
Grantee:Analice Gabrielle Marquezin Gomes
Host Institution: Instituto de Biologia (IB). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated research grant:18/03428-5 - Dimensions US-BIOTA-Sao Paulo: traits as predictors of adaptive diversification along the Brazilian Dry Diagonal, AP.BTA.TEM


In South America there are two large humid forests, the Amazon Forest and the Atlantic Forest, divided by a diagonal of hot and dry climate domains, called eastern dry diagonal, with origin in the middle Miocene. In Brazil, the diagonal is composed by Cerrado and Caatinga. To survive in these environments, organisms have phenotypes associated with adaptations. Among the invertebrates that inhabit this formation, the spider genus Ischnothele has species in dry environments, I. annulata, and humid forests, I. guianensis and I. caudata. The present work intends to make use of morphometric techniques and statistical analysis to identify adaptive phenotypes in Mygalomorphae spiders of the genus Ischnothele. (AU)

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